White Fused Alumina A99
Artificial white corundum is characterized by extreme hardness, highest purity, pure white color. This is a material for customers who attach the utmost importance to high-quality mineral abrasive material without iron content. A wide range of precise sorting incl. of the finest micrograins with a size of 1.5 µm. Especially suitable for processing stainless steel materials.
White Fused Alumina A99
Recyclable blasting media
Grinding, lapping, polishing
Bonded and coated abrasives
Ceramic grinding wheels
Refractory products
Packaging:
In 25 kg bags or 1t / big bag
Pressure blast machines
Injector blast machines
Sorting
Available sizes FEPA makro (µm)
FEPA | Average gain size | FEPA | Average gain size |
|---|---|---|---|
F-8 | 2800-2000 | F-46 | 425-300 |
F-10 | 2360-1700 | F-54 | 355-250 |
F-12 | 2000-1400 | F-60 | 300-212 |
F-14 | 1700-1180 | F-70 | 250-180 |
F-16 | 1400-1000 | F-80 | 212-150 |
F-20 | 1180-850 | F-90 | 180-125 |
F-22 | 1000-710 | F-100 | 150-106 |
F-24 | 850-600 | F-120 | 125-90 |
F-30 | 710-500 | F-150 | 106-63 |
F-36 | 600-425 | F-180 | 90-63 |
F-40 | 500-355 | F-220 | 75-53 |
* Other grain sizes can be produced if required.
Available sizes FEPA mikro(µm)
FEPA | Ds3 max. | Ds50 | Ds94 min. |
|---|---|---|---|
F-240 | 70 | 44,5+/-2,0 | 28 |
F-280 | 59 | 36,5+/-1,5 | 22 |
F-320 | 49 | 29,2+/-1,5 | 16,5 |
F-360 | 40 | 22,8+/-1,5 | 12 |
F-400 | 32 | 17,3+/-1,0 | 8 |
F-500 | 25 | 12,8+/-1,0 | 5 |
F-600 | 19 | 9,3+/-1,0 | 3 |
F-800 | 14 | 6,5+/-1,0 | 2 |
F-1000 | 10 | 4,5+/-0,8 | 1 |
F-1200 | 7 | 3,0+/-0,5 | 1 (80%) |
F-1500 | 5 | 2,0+/-0,4 | 0,8 (80%) |
F-2000 | 3,5 | 2,0+/-0,4 | 0,5 (80%) |
Metric size
0,12–0,25 mm |
0,50–1,00 mm |
0,25–0,50 mm |
1,00–1,50 mm |
Physical properties
Hardness | 9 Mohs |
Melting point | 2040 ˚C |
Bulk density* | 1,5 - 2,1 kg / dm3 |
Grain shape | Angular |
* Depending on grain size.
Chemical analysis
Al2O3 | 99,52% |
TiO2 | 0,07% |
SiO2 | 0,17% |
Fe2O3 | 0,07% |
MgO | 0,01% |
CaO | 0,02% |